Legendary Planeswalker — Vraska
+2 : You may sacrifice another permanent. If you do, you gain 1 life and draw a card.
−3 : Destroy target nonland permanent with mana value 3 or less.
−9 : You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game."
If a permanent has in its mana cost, X is considered to be 0.